Brain Informatics

Table 1 Feature analysis with respect to the two modalities; these sampled results are for the LF region

From: Integrated space–frequency–time domain feature extraction for MEG-based Alzheimer’s disease classification

Modality	Magnetometer		Gradiometer
Final feature	Type-Mean (%)	Type-SD (%)	Type-Mean (%)	Type-SD (%)
Approximation	64.30	48.89	51.96	72.02
Horizontal detail	66.52	44.70	52.30	85.93
Vertical detail	63.26	38.22	55.85	74.00
diagonal detail	65.81	38.67	34.67	77.70

The optimal features and performances are highlighted in bold

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